The Roof is in EVERY STRUCTURE, and It Performs A Protective Function: Wind, Rain, Snow. In Addition, The Roof Shoup Be Correct in Order for to Perform Its Purpose. Depending on the Climatic Conditions of the Roof Are Made of Different Forms. For Example, In the Area Where is No Snow, The Roof Can Be Flat, And in the Area Where Offten Rain Use Roofs with A Goodslination So That Snow Or Water Does Not Stagntat E.